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Added 34 mins ago
Senior Cloud Network Engineering Specialist (Hybrid)
Morgan Stanley
Montreal, QC
Full-time
We’re seeking someone to join our Cloud Infrastructure team as a Senior Cloud Network Engineering Specialist to design and implement Public Cloud platforms and infrastructure-as-code,…
Added 34 mins ago
Software Architect - AI-Enabled Engineering
Wärtsilä
Vancouver, BC
We are looking for an experienced Senior Full-Stack Software Engineer to support the continued development of our Digital Port Solutions portfolio while helping advance our software…
Added 47 mins ago
Senior AI Business Analyst
R Systems
Canada
Contract
We are seeking Senior AI Business Analyst serves as a strategic advisor, product analyst, and transformation leader responsible for identifying, shaping, and delivering Artificial…
Added 47 mins ago
Senior Software Developer
Seequent
Calgary, AB
Full-time
Reporting to the Team Lead, Software Development, the Senior Software Developer (frontend) provides technical leadership, mentorship, and architectural guidance while delivering…
Added 1 hour ago
Senior Cloud Azure Architect
TECONICA SOFTWARES
Toronto, ON
Contract
Implement and maintain Azure DevOps CI/CD pipelines.
Added 1 hour ago
Senior Security Engineer
Zodiac Solutions, Inc
Montreal, QC
Full-time
Collaborate with infrastructure, cloud, application, and DevOps teams to integrate security best practices.
Added 1 hour ago
Senior Dotnet Developer
Tachyon Technologies
Mississauga, ON
Contract
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, or equivalent).
Added 1 hour ago
L3 Application Support
CGI
Toronto, ON
Full-time
Strong stakeholder-management skills with the ability to communicate effectively with technical teams, business stakeholders, clients, and senior leadership.
Added 1 hour ago
Senior Manager, I&IT Site Reliability Engineering & Operations
Metrolinx
Toronto, ON
Full-time
Microsoft Certified Azure Solutions Expert, Azure DevOps Engineer, or Equivalent is an asset.
Added 1 hour ago
Senior Full Stack Engineer - Chief Technology Officer (CTO) - Platform Engineer
HSBC Global Services Limited
Toronto, ON
Join Chief Technology Officer (CTO) Platforms as a Senior Full Stack Engineer focused on app.hsbc with end-to-end responsibility for one or more platform products and services. This is a…
Added 1 hour ago
Senior Cloud Platform Engineer (AWS), AI Infrastructure - Evinova
AstraZeneca
Mississauga, ON · Canada - Mississauga
Full-time
As a Senior Cloud Platform Engineer on the ML/AI Ops team, you will design, build and operate the AWS platform that runs our production Generative AI, agentic AI and conversational AI…
Added 1 hour ago
Senior .NET Developer (VB.NET / C#)
Maarut
Levis, QC
Contract
The client is looking for a Senior+ .NET developer who
Added 2 hours ago
Lead Architect / Principal Engineer
Litmus
Toronto, ON
Full-time
Mentor and develop senior and staff engineers - raise the technical bar and help your colleagues do their best work.
Added 2 hours ago
Software Developer III
CanadaHelps
Toronto, ON
Full-time
This is a senior individual contributor role. You’ll lead feature-level technical design, work through ambiguity without waiting to be unblocked, and make thoughtful trade-offs between…
Added 2 hours ago
Information Technology Project Manager
Agilus Work Solutions
Toronto, ON · North York, ON
Full-time
…candidate will be comfortable presenting to Steering Committees and senior leadership, navigating competing priorities, managing project risks and influencing cross-functional…
Added 2 hours ago
Development Lead - Air Canada Mobile Application
Air Canada
Toronto, ON
The Development Lead, is a senior, hands-on engineering leader who owns the Air Canada mobile application end to end: the iOS and Android clients, the backend-for-frontend (BFF) and API…
Added 3 hours ago
Associate Director, AI Products Development Lead
RBC
Toronto, ON
Full-time
DevOps and Quality: Experience with CI/CD pipelines, automated testing, code quality tooling, and production monitoring.
Added 3 hours ago
Associate Director, AI Products Development Lead
RBC
Halifax, NS
Full-time
DevOps and Quality: Experience with CI/CD pipelines, automated testing, code quality tooling, and production monitoring.
Added 3 hours ago
Sr Full Stack AI Engineer - Calgary ,Canada (Hybrid)
Straive
Calgary, AB
Full-time
Title - Senior Full Stack AI Engineer / Technical Engagement Manager
Added 3 hours ago
Développeur Java - Expert
Astek
Montreal, QC · Greater Montreal Metropolitan Area
Contract
Added 3 hours ago
Back End Developer
RemitBee™
Mississauga, ON
$60,000 to $90,000 CAD / year
Full-time
…supporting data, you're encouraged to bring it directly to senior leadership without hesitation. Every voice matters here, regardless of title or…
Added 3 hours ago
Senior Solutions Engineer, Enterprise Technology Services
Manulife
Toronto, ON
Full-time
Manulife is seeking a Senior Solutions Engineer to help design, scale, and modernize secure cloud platforms that support critical business systems across a global financial services…
Added 3 hours ago
Digital Architect
Government of Alberta
AB
Within DDD, the Software Delivery Branch provides architectural leadership, CloudOps, DevOps/QA practices, quality engineering, and software delivery excellence across product and platform…
Added 4 hours ago
Développeur(euse) logiciel sénior / Senior Software Developer - Clear ID
Genetec
Montreal, QC
Full-time
Intégration et déploiement continu (CI/CD) utilisant Azure DevOps
Added 4 hours ago
Senior Full Stack Engineer
Scotiabank
Toronto, ON
…teams across the Bank, regulatory and compliance groups, and senior…

Tachyon Technologies

Senior Dotnet Developer

Mississauga, ON, Canada

Job type: Contract
Apply by: Oct 31, 2026
Experience: 7+ years of professional software engineering experience in a multi-team, production environment.
Posting language: English
Posted: Oct 1, 2026

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Applications open in a new tab.

Original job description

Position: .NET Developer

Location: Mississauga, ON L4W 5K9, Canada- Hybrid role 3 days onsite a week

Duration: 12 Months

Responsibilities

Design, and deliver highly scalable, fault-tolerant services and features across our microservices platform.
Take end-to-end technical ownership - from requirements through deployment, monitoring, and production support.
Lead technical design discussions and contribute meaningfully to architecture decisions, technology choices, and engineering standards.
Proactively identify and address technical debt - refactor and improve maintainability, performance, and reliability of the codebase.
Troubleshoot and resolve complex production issues with urgency and structured problem-solving.
Collaborate with Product, QA, and stakeholders to clarify requirements, surface risks early, and drive solutions to completion with minimal supervision.
Champion engineering best practices - testing, CI/CD, security, observability, and documentation.
Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate development and improve engineering output.
Perform other duties as assigned.

Required Qualifications

7+ years of professional software engineering experience in a multi-team, production environment.
.NET Framework / .NET Core / C# – expert-level experience designing and building APIs, microservices, and back-end systems; strong grasp of design patterns and SOLID principles.
React – Experience building scalable, maintainable front-end applications; strong understanding of state management, performance optimization, and component architecture.
Good grasp of JVM-based language fundamentals (Java or Kotlin); able to read, reason about, and contribute to codebases beyond the primary stack when the need arises.
Microsoft Azure – solid working knowledge of Azure services with hands-on experience across one or more of the following: Azure Container Apps (ACA), App Services (Web Apps), Azure Service Bus, Managed PostgreSQL, Key Vault, Application Gateway, Virtual Networks (VNet) & Subnets, Private Endpoints, and Private DNS Zones; experience deploying and operating production workloads in Azure.
Databases (SQL Server & PostgreSQL) – expert-level experience with relational database design, complex query optimization, indexing strategies, and performance tuning.
RESTful API design – proven ability to design, build, version, and secure APIs at scale.
Strong understanding of microservices architecture, distributed systems, and integration patterns.
Containers (Docker) – strong hands-on experience; comfortable with containerized application design, networking, and deployment.
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, or equivalent).
Solid understanding of Agile / Scrum practices and the full software development lifecycle.
Demonstrated and effective use of AI-assisted development tools as part of everyday engineering workflow.

Nice-to-Have Skills

Experience with Kubernetes or Azure Container Apps for container orchestration.
Familiarity with event-driven architecture and message brokers (e.g., Azure Service Bus, RabbitMQ, Kafka).
Experience with observability tooling - logging, metrics, and distributed tracing (e.g., Application Insights, OpenTelemetry).
Background in e-commerce, marketplace, or transaction-heavy platform environments.
Experience with Test-Driven Development (TDD) and pair programming practices.
Ability to learn and adapt to newer patterns and technologies as the landscape evolves.

Apply About employer

More about this job

Responsibilities

Design, build, and operate scalable, fault-tolerant services and features across a microservices platform, taking ownership from requirements through deployment and production support. Lead technical design and architecture decisions, improve code quality and reliability, resolve production issues, and collaborate with product and QA teams while applying engineering best practices and AI developer tools.

Requirements

Requires 7+ years of professional software engineering experience, expert-level .NET/C# and relational database skills, and experience building React applications, APIs, and microservices. Candidates should also have hands-on Azure and Docker experience, CI/CD knowledge, familiarity with Java or Kotlin, and effective use of AI-assisted development tools.

Skills

.NET
C#
React
Microsoft Azure
Microservices
RESTful API Design
SQL Server
PostgreSQL
Docker
CI/CD
Distributed Systems
Java or Kotlin
AI-Assisted Development Tools
Agile/Scrum
Production Troubleshooting
Technical Design

Visa sponsorship

Not detected in the job text

Keywords

.NET Framework
.NET Core
C#
React
Java
Kotlin
Microsoft Azure
Azure Container Apps
Azure App Services
Azure Service Bus
Managed PostgreSQL
Key Vault
Application Gateway
Virtual Networks
Private Endpoints
Private DNS Zones
SQL Server
PostgreSQL
RESTful APIs
Microservices
Distributed Systems
Docker
CI/CD
Azure DevOps
GitHub Actions
GitHub Copilot
Claude
Cursor
Kubernetes
OpenTelemetry

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